Great for second car or your GF's/Wifes/winter beater - or just send it in to get it reprogrammed for 335d or (For S63 TT) X5M & X6M

see my actual photo of mine without fancy sticker below.

Intelligent Control Module
Quick Plug and Play "2-wire" Wire Harness
Email VAC for Color Instructions - I may have a copy, but it's pretty straight forward, plug this in between the current harness.
Features:
Fast install
Fully reversible & undetectable
Safe, reliable gains